CN220270035U - Sealing leakage detection mechanism of lithium battery rotary kiln - Google Patents
Sealing leakage detection mechanism of lithium battery rotary kiln Download PDFInfo
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- CN220270035U CN220270035U CN202321664988.2U CN202321664988U CN220270035U CN 220270035 U CN220270035 U CN 220270035U CN 202321664988 U CN202321664988 U CN 202321664988U CN 220270035 U CN220270035 U CN 220270035U
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- 238000007789 sealing Methods 0.000 title claims abstract description 199
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 229910002804 graphite Inorganic materials 0.000 claims description 32
- 239000010439 graphite Substances 0.000 claims description 32
- 230000008859 change Effects 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model provides a sealing leakage detection mechanism of a lithium battery rotary kiln, which comprises a rotary kiln furnace tube, a seal head, a sealing frame, a pressure gauge and a thermometer; the sealing frame is arranged on the sealing head, the rotary kiln furnace tube is rotationally connected with the sealing frame, and two sealing rings are arranged at the connecting positions of the sealing frame and the rotary kiln furnace tube at intervals; and a pressure gauge hole and a thermometer hole are arranged in the middle of the two sealing rings on the side wall of the sealing frame at intervals, the outer side of the pressure gauge hole is connected with the pressure gauge, and the thermometer hole is connected with the thermometer. According to the lithium battery rotary kiln sealing leakage detection mechanism, the pressure gauge and the thermometer are arranged between the two sealing rings between the furnace tube and the sealing head, and the failure of the inner sealing ring can be timely found through the change of the pressure gauge and the temperature count value, so that leakage can be prevented, and the yield of products is improved.
Description
Technical Field
The utility model relates to the technical field of lithium battery rotary kiln detection equipment, in particular to a lithium battery rotary kiln sealing leakage detection mechanism.
Background
With the rapid development of economy and technology, environmental destruction and energy consumption problems are increasingly prominent. In order to improve the situation, the novel energy source is applied in a large quantity, a good environment is provided for the work and the life of people, the environment is protected, the energy source is saved, and the lithium battery is used as a clean, environment-friendly and efficient energy storage system and has a continuously expanding application field.
During the production of lithium batteries, the negative electrode material is sintered in a rotary kiln.
The rotary kiln for sintering the lithium battery cathode material is used for sintering materials at high temperature during working, protective atmosphere and special atmosphere are required to be injected, and the sealing performance of a furnace tube of the rotary kiln is very tested. The rotary kiln is sealed by sealing structures at two ends of the furnace tube, the furnace tube continuously rotates during operation, and the furnace tube thermally expands and stretches when the temperature rises, so that the requirement on the sealing structure of the rotary kiln is high. The common sealing structure is labyrinth seal and sealing ring seal, the labyrinth seal is greatly influenced by radial runout of the furnace tube, and faults and air leakage are easy to occur; the sealing performance of the sealing ring is reduced due to the fact that the sealing of the sealing ring is affected by temperature and the service life is short; when the sealing structure is invalid, gas dust in the furnace is leaked or air enters the furnace, when the gas leaks outwards, environmental pollution is caused, and when the gas leaks inwards, the atmosphere structure in the furnace is destroyed, the material reaction is influenced, and loss is caused; failure of the sealing structure cannot be found in time, environmental pollution can be caused, and the qualification rate of the whole batch of materials can be seriously influenced.
In the prior art, when the lithium battery anode material is sintered, aiming at failure of a rotary kiln sealing structure, the conventional rotary kiln sealing structure is not provided with a sealing leakage detection mechanism, so that the failure of the rotary kiln sealing structure cannot be found timely, the leakage of protective atmosphere in the rotary kiln can be caused, and the sintered product yield in the rotary kiln is low.
Therefore, it is necessary to provide a sealing leakage detection mechanism for a rotary kiln of a lithium battery, so as to solve the problems in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to solve the problems, the utility model provides a sealing leakage detection mechanism of a lithium battery rotary kiln, which comprises a rotary kiln furnace tube, a seal head, a sealing frame, a pressure gauge and a thermometer;
the sealing frame is arranged on the sealing head, the rotary kiln furnace tube is rotationally connected with the sealing frame, and two sealing rings are arranged at the connecting positions of the sealing frame and the rotary kiln furnace tube at intervals;
and a pressure gauge hole and a thermometer hole are arranged in the middle of the two sealing rings on the side wall of the sealing frame at intervals, the outer side of the pressure gauge hole is connected with the pressure gauge, and the thermometer hole is connected with the thermometer.
Preferably, the sealing frame comprises a cylinder part and a flange, one side surface of the flange is fixedly connected with the sealing head, and the other side surface of the flange is coaxially and fixedly connected with the cylinder part.
Preferably, the flange of the seal holder has the same inner diameter as the cylindrical portion;
the inner wall of the cylinder part of the sealing frame is provided with a first sealing groove and a second sealing groove along the circumferential direction at intervals, the first sealing groove is arranged on one side, far away from the sealing head, of the second sealing groove, the first sealing ring is arranged in the first sealing groove, and the second sealing ring is arranged in the second sealing groove.
Preferably, the first seal groove and the second seal groove are wedge-shaped in cross section.
Preferably, the first sealing ring and the second sealing ring both comprise a sealing ring body and a fixing part, the sealing ring body is annular, the upper part of the section of the sealing ring body is of an inverted T shape, the fixing part is symmetrically arranged on two shoulders of the inverted T shape, and the shape of the fixing part is matched with the wedge shape of the section of the first sealing groove and the second sealing groove.
Preferably, the seal ring body is a graphite seal ring body.
Preferably, the inner diameter of the flange of the sealing frame is smaller than the inner diameter of the rotary kiln tube.
Preferably, a first sealing groove along the circumferential direction is formed in the inner wall of the cylindrical part of the sealing frame, the first sealing ring is arranged in the first sealing groove, an annular third sealing groove is formed in one side of the flange plate, facing the rotary kiln furnace tube, of the flange plate, the third sealing groove is located on the inner side of the cylindrical part, the third sealing groove is in a transverse wedge shape, and the third sealing ring is arranged in the third sealing groove.
Preferably, the third sealing ring comprises a connecting part and a sealing ring body, the sealing ring body is fixedly connected with the connecting part, and the connecting part is wedge-shaped and is matched with the third sealing groove.
Preferably, the sealing ring body comprises a first graphite sealing ring, a second graphite sealing ring, a connecting ring and a belleville spring, one end face of the first graphite sealing ring is fixedly connected with the connecting part, the other end face of the first graphite sealing ring is fixedly connected with one end face of the connecting ring and one end face of the belleville spring respectively, the connecting ring is positioned on the inner side of the belleville spring, the other end faces of the connecting ring and the belleville spring are fixedly connected with the end face of the second graphite sealing ring, and the other end face of the second graphite sealing ring is arranged opposite to the end face of the rotary kiln furnace tube.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
according to the sealing leakage detection mechanism of the lithium battery rotary kiln, the pressure gauge and the thermometer are arranged between the two sealing rings between the furnace tube and the sealing head, and the failure of the inner sealing ring can be timely found through the change of the pressure gauge and the temperature count value, so that leakage can be prevented, and the yield of products is improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a sealing leakage detection mechanism of a lithium battery rotary kiln disclosed by the utility model;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of a seal frame at a pressure gauge and a rotary kiln furnace tube connection;
FIG. 3 is a schematic diagram of a part of a section of a connection between a sealing frame at a thermometer and a furnace tube of a rotary kiln;
FIG. 4 is a schematic cross-sectional view of a first seal ring and a second seal ring of the present disclosure;
FIG. 5 is a schematic view of a seal carrier of another structure of the present utility model partially sectioned for connection to a furnace tube of a rotary kiln;
FIG. 6 is a schematic cross-sectional view of a third seal ring of the present disclosure;
FIG. 7 is a schematic cross-sectional view of a seal ring body of the present disclosure.
Detailed Description
The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, a sealing leakage detection mechanism of a lithium battery rotary kiln comprises a rotary kiln furnace tube 1, a sealing head 2, a sealing frame 3, a pressure gauge 4 and a thermometer 5;
the sealing frame 3 is arranged on the sealing head 2, the rotary kiln furnace tube 1 is rotationally connected with the sealing frame 3, and two sealing rings are arranged at the connecting position of the sealing frame 3 and the rotary kiln furnace tube 1 at intervals;
and a pressure gauge hole and a thermometer hole are arranged in the middle of the two sealing rings on the side wall of the sealing frame 3 at intervals, the outer side of the pressure gauge hole is connected with a pressure gauge 4, and the thermometer hole is connected with a thermometer 5.
The working principle of the technical scheme is as follows: the sealing frame 3 is arranged on the sealing head 2, the rotary kiln furnace tube 1 is rotationally connected with the sealing frame 3, two sealing rings are arranged at the connecting position of the sealing frame 3 and the rotary kiln furnace tube 1 at intervals, and the sealing frame is fixedly connected with the sealing head;
a pressure gauge hole and a thermometer hole are arranged in the middle of the two sealing rings on the side wall of the sealing frame 3 at intervals, the outer side of the pressure gauge hole is connected with a pressure gauge 4, and the thermometer hole is connected with a thermometer 5;
the cavity formed between the sealing frame 3 and the rotary kiln furnace tube 1 is separated from the interior of the rotary kiln by the sealing ring close to the sealing head 2, the pressure and the temperature in the cavity are different from those in the rotary kiln, after the sealing ring close to one side of the sealing head fails, the pressure and the temperature in the cavity are changed, according to the change of the measured values of the pressure gauge and the thermometer, the sealing ring close to one side of the sealing head can be timely found out to fail, the other sealing ring still can play a sealing role, and the failed sealing ring can be replaced after one-time sintering or stopping sintering is completed;
the inner sealing ring is a sealing ring close to one side of the sealing head;
the thermometer can be an industrial thermometer, and the type, the size and the temperature range of the universal industrial thermometer are selected to be suitable for the application of the rotary kiln;
the pressure gauge and the thermometer can be connected with the control module or the alarm module in use, and the alarm reminds a worker to check the pressure gauge and the thermometer when the pressure and the temperature change exceed the set range;
the rotary kiln refers to a rotary calcining kiln (commonly called a rotary kiln), and the rotary kiln can be divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different treatment materials. The metallurgical chemical kiln is mainly used for magnetizing roasting of lean iron ores in iron and steel plants in metallurgical industry; oxidizing and roasting chromium and nickel iron ores; roasting high alumina bauxite ore in a refractory material factory, roasting clinker in an aluminum factory and aluminum hydroxide; a sintering rotary kiln for the negative electrode of lithium battery belongs to a metallurgical chemical kiln.
The structure of the rotary kiln mainly comprises:
the kiln head part (namely the end socket of the lithium battery cathode sintering rotary kiln) has a diameter larger than that of the kiln body and is in rotary sealing connection with the kiln body;
the kiln body part (a rotary kiln furnace tube of the lithium battery cathode sintering rotary kiln) is a main body of the rotary kiln, is generally 30-150 m long and is cylindrical, rolling rings in the circumferential direction are arranged on the kiln body at intervals, the rolling rings are slightly thicker than other parts of kiln body steel plates due to bearing, supporting tugboat comprises bearing support posts and a group of carrier rollers, the bearing support posts are arranged on a rotary kiln support frame or foundation, the carrier rollers are matched with the rolling rings, the group of carrier rollers is generally composed of two carrier rollers and two baffle wheels, a plurality of supporting tugboat wheels are arranged on the rotary kiln at intervals according to the length of the kiln body, and refractory bricks are paved in the kiln body during normal operation of the rotary kiln;
the kiln tail part is also an important component part of the rotary kiln, is similar to a kiln body cover at the feeding end and mainly bears feeding and sealing functions and is rotationally connected with the kiln body;
the rotary kiln support frame, the kiln head, the kiln body and the kiln tail of the rotary kiln are respectively fixed on the rotary kiln support frame and fixed according to the mutual connection relationship, and the support frame of the rotary kiln can enable rotary kiln equipment to be stronger, so that the rotary kiln equipment can not shake when working, and production is stable; the rotary kiln supporting frame is mainly used for fixing rotary kiln equipment, so that the rotary kiln equipment can be prevented from deforming when the rotary kiln equipment is used, the rotary kiln equipment is known to be deformed if the rotary kiln equipment is improperly operated, and the rotary kiln supporting frame has the function; the rotary kiln support can facilitate the lifting and the like of rotary kiln equipment and is convenient to transport;
some rotary kilns are also directly fixed on the foundation according to the interconnection relationship.
The beneficial effects of the technical scheme are that:
according to the sealing leakage detection mechanism of the lithium battery rotary kiln, the pressure gauge and the thermometer are arranged between the two sealing rings between the furnace tube and the sealing head, and the failure of the inner sealing ring can be timely found through the change of the pressure gauge and the temperature count value, so that leakage can be prevented, and the yield of products is improved.
As shown in fig. 2-3, in one embodiment, the sealing frame 3 includes a cylindrical portion 31 and a flange plate 32, one side surface of the flange plate 32 is fixedly connected with the head 2, and the other side surface of the flange plate 32 is coaxially and fixedly connected with the cylindrical portion 31.
The working principle of the technical scheme is as follows: the sealing frame 3 comprises a cylindrical part 31 and a flange plate 32, one side surface of the flange plate 32 is fixedly connected with the sealing head 2, and the other side surface of the flange plate 32 is coaxially and fixedly connected with the cylindrical part 31; the flange is used for connection with the closure head, and both the flange 32 and the cylindrical portion 31 may be used for providing a seal groove.
In one embodiment, the flange 32 of the seal holder 3 has the same inner diameter as the cylindrical portion 31;
the inner wall of the cylindrical portion 31 of the seal frame 3 is provided with a first seal groove 33 and a second seal groove 34 at intervals in the circumferential direction, the first seal groove 33 is provided on a side of the second seal groove 34 away from the head 2, the first seal ring 6 is provided in the first seal groove 33, and the second seal ring 7 is provided in the second seal groove 34.
The working principle of the technical scheme is as follows: the inner diameter of the flange 32 of the seal holder 3 is the same as the inner diameter of the cylindrical portion 31; the end face of the cylinder part is coaxially and fixedly connected with the end face of one side of the flange plate, which is far away from the sealing head;
a first seal groove 33 and a second seal groove 34 are arranged on the inner wall of the cylindrical part 31 of the seal frame 3 at intervals along the circumferential direction, the first seal groove 33 is arranged on one side of the second seal groove 34 away from the seal head 2, the first seal ring 6 is arranged in the first seal groove 33, and the second seal ring 7 is arranged in the second seal groove 34;
and a cavity is formed between the first sealing ring and the second sealing ring, the pressure gauge and the thermometer are utilized to measure the pressure and the temperature in the cavity, and when the pressure or the temperature in the cavity exceeds a set value, the failure of the sealing ring in the second sealing groove is indicated, so that the staff is prompted to replace in time.
In one embodiment, the first seal groove 33 and the second seal groove 34 are wedge-shaped in cross section.
The working principle of the technical scheme is as follows: the cross sections of the first sealing groove 33 and the second sealing groove 34 are wedge-shaped, the size of the opening of the wedge shape is smaller than the size of the inside of the wedge shape, and after the sealing ring is placed into the wedge-shaped sealing groove, the sealing groove plays a fixed role on the sealing ring, and the sealing ring is not easy to fall off from the sealing groove.
As shown in fig. 4, in one embodiment, the first seal ring 6 and the second seal ring 7 each include a seal ring body 8 and a fixing portion 9, the seal ring body 8 is annular, an upper portion of a cross section of the seal ring body 8 is inverted T-shaped, the fixing portions 9 are symmetrically disposed on two shoulders of the inverted T-shape, and a shape of the fixing portion 9 is adapted to a wedge shape of the cross section of the first seal groove 33 and the second seal groove 34.
The working principle of the technical scheme is as follows: the first sealing ring 6 and the second sealing ring 7 comprise a sealing ring body 8 and a fixing part 9, the sealing ring body 8 is annular, the upper part of the section of the sealing ring body 8 is of an inverted T shape, the fixing part 9 is symmetrically arranged on two shoulders of the inverted T shape, and the shape of the fixing part 9 is matched with the wedge shape of the section of the first sealing groove 33 and the second sealing groove 34;
the fixing part is fixedly connected to the sealing ring body, and the fixing part can be made of silicone rubber materials;
the sealing ring body can be made of materials with good sealing performance and wear resistance.
In one embodiment: the sealing ring body 8 is a graphite sealing ring body.
The working principle of the technical scheme is as follows: the sealing ring body 8 is a graphite sealing ring body, and the graphite sealing ring can resist high temperature and is suitable for sealing use of the rotary kiln.
In one embodiment, as shown in FIG. 5, the flange 32 of the seal holder 3 has an inner diameter smaller than the inner diameter of the rotary kiln tube 1.
The working principle of the technical scheme is as follows: the inner diameter of the flange plate 32 of the sealing frame 3 is smaller than the inner diameter of the rotary kiln furnace tube 1, and an end face sealing ring can be arranged on the flange plate and can be sealed with the end face of the rotary kiln furnace tube 1.
In one embodiment, a first seal groove 33 is formed in the inner wall of the cylindrical portion 31 of the seal frame 3 in the circumferential direction, the first seal ring 6 is disposed in the first seal groove 33, an annular third seal groove 35 is formed in the flange 32 toward the side of the rotary kiln tube 1, the third seal groove 35 is located inside the cylindrical portion 31, the third seal groove 35 is a transverse wedge, and the third seal ring 10 is disposed in the third seal groove 35.
The technical scheme has the following working principle that: the inner wall of the cylindrical part 31 of the sealing frame 3 is provided with a first sealing groove 33 along the circumferential direction, the first sealing ring 6 is arranged in the first sealing groove 33, the flange plate 32 is provided with a third annular sealing groove 35 towards one side of the rotary kiln furnace tube 1, the third sealing groove 35 is positioned on the inner side of the cylindrical part 31, the third sealing groove 35 is a transverse wedge type, and the third sealing ring 10 is arranged in the third sealing groove 35.
As shown in fig. 6, in one embodiment, the third seal ring 10 includes a connection portion 101 and a seal ring body 102, where the seal ring body 102 is fixedly connected to the connection portion 101, and the connection portion 101 is a wedge shape corresponding to the third seal groove 35.
The working principle of the technical scheme is as follows: the third seal ring 10 includes a connecting portion 101 and a seal ring body 102, the seal ring body 102 is fixedly connected with the connecting portion 101, and the connecting portion 101 is wedge-shaped and adapted to the third seal groove 35.
As shown in fig. 7, in one embodiment, the seal ring body 102 includes a first graphite seal ring 1021, a second graphite seal ring 1022, a connection ring 1023, and a belleville spring 1024, one end face of the first graphite seal ring 1021 is fixedly connected with the connection portion 101, the other end face of the first graphite seal ring 1021 is fixedly connected with one end face of the connection ring 1023 and one end face of the belleville spring 1024, the connection ring 1023 is located inside the belleville spring 1024, the other end faces of the connection ring 1023 and the belleville spring 1024 are fixedly connected with the end face of the second graphite seal ring 1022, and the other end face of the second graphite seal ring 1022 is disposed opposite to the end face of the rotary kiln tube 1.
The working principle of the technical scheme is as follows: the seal ring body 102 comprises a first graphite seal ring 1021, a second graphite seal ring 1022, a connecting ring 1023 and a belleville spring 1024, one end face of the first graphite seal ring 1021 is fixedly connected with the connecting part 101, the other end face of the first graphite seal ring 1021 is fixedly connected with one end face of the connecting ring 1023 and one end face of the belleville spring 1024 respectively, the connecting ring 1023 is positioned on the inner side of the belleville spring 1024, the other end faces of the connecting ring 1023 and the belleville spring 1024 are fixedly connected with the end face of the second graphite seal ring 1022, and the other end face of the second graphite seal ring 1022 is opposite to the end face of the rotary kiln tube 1;
the side face of the graphite sealing ring is utilized to seal with the end face of the rotary kiln furnace tube, the butterfly spring can push the second graphite sealing ring to the rotary kiln furnace tube after the second graphite sealing ring is worn, so that the second graphite sealing ring can be pressed on the end face of the rotary kiln furnace tube, and the sealing effect and the service life of the sealing ring are improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (1)
1. The sealing leakage detection mechanism of the lithium battery rotary kiln is characterized by comprising a rotary kiln furnace tube (1), an end socket (2), a sealing frame (3), a pressure gauge (4) and a thermometer (5);
the sealing frame (3) is arranged on the sealing head (2), the rotary kiln furnace tube (1) is rotationally connected with the sealing frame (3), and two sealing rings are arranged at the connecting position of the sealing frame (3) and the rotary kiln furnace tube (1) at intervals;
a pressure gauge hole and a thermometer hole are arranged in the middle of the two sealing rings on the side wall of the sealing frame (3) at intervals, the outer side of the pressure gauge hole is connected with a pressure gauge (4), and the thermometer hole is connected with a thermometer (5);
the sealing frame (3) comprises a cylinder part (31) and a flange plate (32), one side surface of the flange plate (32) is fixedly connected with the sealing head (2), and the other side surface of the flange plate (32) is coaxially and fixedly connected with the cylinder part (31);
the inner diameter of the flange plate (32) of the sealing frame (3) is smaller than the inner diameter of the rotary kiln furnace tube (1);
a first sealing groove (33) along the circumferential direction is formed in the inner wall of the cylindrical part (31) of the sealing frame (3), a first sealing ring (6) is arranged in the first sealing groove (33), an annular third sealing groove (35) is formed in one side of the flange plate (32) towards the rotary kiln furnace tube (1), the third sealing groove (35) is positioned at the inner side of the cylindrical part (31), the third sealing groove (35) is in a transverse wedge shape, and a third sealing ring (10) is arranged in the third sealing groove (35);
the third sealing ring (10) comprises a connecting part (101) and a sealing ring body (102), the sealing ring body (102) is fixedly connected with the connecting part (101), and the connecting part (101) is wedge-shaped and is matched with the third sealing groove (35);
the seal ring body (102) comprises a first graphite seal ring (1021), a second graphite seal ring (1022), a connecting ring (1023) and a belleville spring (1024), one end face of the first graphite seal ring (1021) is fixedly connected with the connecting portion (101), the other end face of the first graphite seal ring (1021) is fixedly connected with one end face of the connecting ring (1023) and one end face of the belleville spring (1024) respectively, the connecting ring (1023) is located on the inner side of the belleville spring (1024), the other end face of the connecting ring (1023) and the belleville spring (1024) is fixedly connected with the end face of the second graphite seal ring (1022), and the other end face of the second graphite seal ring (1022) is arranged opposite to the end face of the rotary kiln furnace tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321664988.2U CN220270035U (en) | 2023-06-28 | 2023-06-28 | Sealing leakage detection mechanism of lithium battery rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321664988.2U CN220270035U (en) | 2023-06-28 | 2023-06-28 | Sealing leakage detection mechanism of lithium battery rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270035U true CN220270035U (en) | 2023-12-29 |
Family
ID=89301558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321664988.2U Active CN220270035U (en) | 2023-06-28 | 2023-06-28 | Sealing leakage detection mechanism of lithium battery rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270035U (en) |
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2023
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